#include <iostream>
using namespace std;

/* int main(int argc,char* argv[]){ */
int main(void){
    /* cout << argc << endl; */
    /* cout << argv[2] << endl; */
    /* int num =0; */
    /* cin >> num; */
    /* cout << num << endl; */
    cout << "hello,world"<< 1 << endl;
    return 0;
}
